Depth, Keel Offset, Too Deep Alarm, Too Shallow Alarm; Set Depth Units; Set Too Deep Alarm - NorthStar NS 3100 User Manual

3 Depth, keel offset, too deep alarm, too shallow alarm

3-1 Set depth units

3-2 Set too deep alarm

Deep alarm
value
Alarm is on
Reference Manual and Installation Manual
Depth and keel offset
The displayed depth is the distance from the
transducer on the boat to the bottom of the
water, plus or minus an offset which is called the
keel offset:
A positive keel offset displays depth as
measured from a point above the transducer.
For example, if you set the offset to the
distance from the transducer to the surface, it
will display the depth from the surface to the
bottom of the water.
Keel offset
Water surface
Depth of transducer
Note: The boat illustrated uses a through hull transducer
The units can be METERS, FEET or FATH:
Press ;if necessary, press
The too deep alarm sounds if the alarm is turned
on and the depth becomes equal to or more than
the too deep alarm depth. To mute the alarm,
press .
A negative keel offset displays depth as measured
from a point below the transducer.
For example, if you set the offset to minus the distance
from the transducer to the bottom of the keel, it will
display the depth from the bottom of the keel to the
bottom of the water.
Transducer
again.
To set the too deep alarm:
1 Hold
screen:
2 To change the alarm depth, press
3 To turn the alarm on or off, press
4 Press
Keel offset
Positive value
Negative value
for two seconds to display the Too Deep Alarm
or
.
.
.
7